{"id":3359,"date":"2025-04-14T16:16:02","date_gmt":"2025-04-14T08:16:02","guid":{"rendered":"https:\/\/www.aox-actuator.com\/?p=3359"},"modified":"2025-06-15T15:20:33","modified_gmt":"2025-06-15T07:20:33","slug":"fail-open-vs-fail-close-valve-actuator","status":"publish","type":"post","link":"https:\/\/www.aox-actuator.com\/pt\/blog\/fail-open-vs-fail-close-valve-actuator\/","title":{"rendered":"Atuadores de v\u00e1lvula com falha de abertura e falha de fechamento: qual \u00e9 a diferen\u00e7a?"},"content":{"rendered":"<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg\" alt=\"Atuador de v\u00e1lvula pneum\u00e1tica s\u00e9rie AOX-P com caixa de interruptor de fim de curso\" class=\"wp-image-2766\" style=\"width:530px;height:auto\" srcset=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg 1000w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-500x500.jpg 500w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-300x300.jpg 300w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-768x768.jpg 768w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-150x150.jpg 150w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-75x75.jpg 75w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-480x480.jpg 480w, https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5-800x800.jpg 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Quando h\u00e1 perda de energia, a configura\u00e7\u00e3o padr\u00e3o da v\u00e1lvula se torna cr\u00edtica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 a\u00ed que entram os atuadores de abertura e fechamento. Eles s\u00e3o projetados para interromper ou continuar o fluxo automaticamente em caso de queda de energia. A escolha entre eles depende do que voc\u00ea est\u00e1 protegendo \u2014 seu sistema, seu produto ou as pessoas que trabalham ao redor dele.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Abaixo, detalharemos a diferen\u00e7a real entre atuadores de v\u00e1lvula de falha de abertura e falha de fechamento, o que faz com que eles alterem e como escolher o correto para sua configura\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que desencadeia uma resposta \u00e0 prova de falhas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 prova de falhas n\u00e3o significa que a v\u00e1lvula quebrou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso significa que o sistema perdeu a fonte de energia que aciona o atuador. Pode ser eletricidade, ar, fluido hidr\u00e1ulico ou g\u00e1s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em cada caso, o atuador \u00e9 projetado para retornar a uma posi\u00e7\u00e3o segura quando o sinal desaparece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esse sinal pode falhar devido a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quedas de energia durante tempestades<\/li>\n\n\n\n<li>Baixa press\u00e3o a montante<\/li>\n\n\n\n<li>Linhas congeladas ou falha de equipamento<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Se o seu processo n\u00e3o puder suportar um fluxo n\u00e3o planejado, voc\u00ea precisar\u00e1 decidir se o fluxo deve parar ou continuar quando isso acontecer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como uma v\u00e1lvula de falha aberta responde<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula de falha aberta abre quando h\u00e1 uma queda de energia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geralmente, s\u00e3o acionadas por mola para permanecerem abertas, a menos que o ar comprimido (ou a energia el\u00e9trica) as mantenha fechadas. \u00c9 por isso que tamb\u00e9m s\u00e3o chamadas de v\u00e1lvulas de ar para fechar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As configura\u00e7\u00f5es de falha aberta s\u00e3o usadas quando \u00e9 mais seguro deixar a m\u00eddia passar do que bloque\u00e1-la durante uma falha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Exemplos t\u00edpicos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Linhas de \u00e1gua de resfriamento para evitar superaquecimento<\/li>\n\n\n\n<li>Sistemas de supress\u00e3o de inc\u00eandio onde a \u00e1gua precisa fluir sem demora<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Quando a energia retorna, o atuador fecha novamente a v\u00e1lvula se for o que o processo exigir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Portanto, se sua prioridade \u00e9 aliviar a press\u00e3o ou manter o fluxo do l\u00edquido de arrefecimento, uma configura\u00e7\u00e3o de v\u00e1lvula de falha aberta atende a esse objetivo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que uma v\u00e1lvula de falha fechada faz<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula de falha fechada desliga quando h\u00e1 perda de energia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m chamadas de v\u00e1lvulas de ar para abertura, elas requerem uma fonte de energia ou press\u00e3o constante para permanecerem abertas. Quando a energia cai, as molas das v\u00e1lvulas fecham automaticamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso ajuda a prevenir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vazamentos de materiais perigosos<\/li>\n\n\n\n<li>Danos ao equipamento devido a transbordamento<\/li>\n\n\n\n<li>M\u00eddia fluindo para \u00e1reas indesejadas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Voc\u00ea frequentemente encontrar\u00e1 v\u00e1lvulas fechadas com falha em:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sistemas de \u00e1guas residuais<\/li>\n\n\n\n<li>Tanques de reten\u00e7\u00e3o de produtos qu\u00edmicos<\/li>\n\n\n\n<li>Sa\u00eddas de vasos sens\u00edveis \u00e0 press\u00e3o<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Um cen\u00e1rio de falha iminente \u00e9 ideal quando seu processo precisa parar instantaneamente durante uma emerg\u00eancia.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<style>\r\n  .hero-recommendation-vertical {\r\n    max-width: 420px;\r\n    margin: 32px auto;\r\n    background: #fff;\r\n    border-radius: 16px;\r\n    box-shadow: 0 4px 18px 0 rgba(60, 66, 87, 0.10);\r\n    overflow: hidden;\r\n    transition: box-shadow 0.2s;\r\n  }\r\n  .hero-link-vertical {\r\n    display: flex;\r\n    flex-direction: column;\r\n    align-items: center;\r\n    text-decoration: none;\r\n    color: inherit;\r\n    width: 100%;\r\n    transition: background 0.2s;\r\n  }\r\n  .hero-link-vertical:hover {\r\n    background: #f8f9fa;\r\n  }\r\n  .hero-image-vertical img {\r\n    display: block;\r\n    width: 100%;\r\n    height: 210px;\r\n    object-fit: cover;\r\n    background: #f4f4f4;\r\n  }\r\n  .hero-content-vertical {\r\n    padding: 28px 22px 24px 22px;\r\n    text-align: center;\r\n    width: 100%;\r\n  }\r\n  .hero-content-vertical h2 {\r\n    margin: 0 0 12px 0;\r\n    font-size: 1.3rem;\r\n    font-weight: 700;\r\n    color: #263238;\r\n    letter-spacing: 0.01rem;\r\n  }\r\n  .hero-content-vertical p {\r\n    margin: 0 0 18px 0;\r\n    font-size: 1rem;\r\n    color: #546e7a;\r\n    line-height: 1.5;\r\n  }\r\n  .hero-btn-vertical {\r\n    padding: 10px 26px;\r\n    background: #ffc107; \/* Changed button background color *\/\r\n    border: none;\r\n    border-radius: 6px;\r\n    font-size: 1rem;\r\n    font-weight: 600;\r\n    color: #fff;\r\n    cursor: pointer;\r\n    transition: background 0.2s, color 0.2s;\r\n    box-shadow: 0 2px 8px rgba(255,193,7,0.10); \/* Adjusted shadow color *\/\r\n  }\r\n  .hero-btn-vertical:hover {\r\n    background: #e0a800; \/* Darkened color for hover effect (approx 10-15%) *\/\r\n  }\r\n  @media (max-width: 600px) {\r\n    .hero-recommendation-vertical {\r\n      max-width: 98vw;\r\n    }\r\n    .hero-image-vertical img {\r\n      height: 160px;\r\n    }\r\n    .hero-content-vertical {\r\n      padding: 18px 8px 16px 8px;\r\n    }\r\n  }\r\n<\/style>\r\n<div class=\"hero-recommendation-vertical\">\r\n  <a href=\"https:\/\/www.aox-actuator.com\/pt\/product\/aox-q-series-electric-actuator\/\" class=\"hero-link-vertical\" target=\"_blank\" rel=\"noopener\">\r\n    <div class=\"hero-image-vertical\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-Q-series-electric-actuator-\u2013-7-1.jpg\" alt=\"Atuador el\u00e9trico s\u00e9rie AOX-Q\">\r\n    <\/div>\r\n    <div class=\"hero-content-vertical\">\r\n      <p>Atuador el\u00e9trico s\u00e9rie AOX-Q<\/p>\r\n      <p>\r\n      O atuador el\u00e9trico da s\u00e9rie AOX-Q oferece controle confi\u00e1vel e preciso para uma variedade de aplica\u00e7\u00f5es de v\u00e1lvulas, garantindo opera\u00e7\u00e3o eficiente e durabilidade em ambientes industriais.\r\n      <\/p>\r\n      <button class=\"hero-btn-vertical\">Explorar produtos e solu\u00e7\u00f5es<\/button>\r\n    <\/div>\r\n  <\/a>\r\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<style>\r\n  .hero-recommendation-vertical {\r\n    max-width: 420px;\r\n    margin: 32px auto;\r\n    background: #fff;\r\n    border-radius: 16px;\r\n    box-shadow: 0 4px 18px 0 rgba(60, 66, 87, 0.10);\r\n    overflow: hidden;\r\n    transition: box-shadow 0.2s;\r\n  }\r\n  .hero-link-vertical {\r\n    display: flex;\r\n    flex-direction: column;\r\n    align-items: center;\r\n    text-decoration: none;\r\n    color: inherit;\r\n    width: 100%;\r\n    transition: background 0.2s;\r\n  }\r\n  .hero-link-vertical:hover {\r\n    background: #f8f9fa;\r\n  }\r\n  .hero-image-vertical img {\r\n    display: block;\r\n    width: 100%;\r\n    height: 210px;\r\n    object-fit: cover;\r\n    background: #f4f4f4;\r\n  }\r\n  .hero-content-vertical {\r\n    padding: 28px 22px 24px 22px;\r\n    text-align: center;\r\n    width: 100%;\r\n  }\r\n  .hero-content-vertical h2 {\r\n    margin: 0 0 12px 0;\r\n    font-size: 1.3rem;\r\n    font-weight: 700;\r\n    color: #263238;\r\n    letter-spacing: 0.01rem;\r\n  }\r\n  .hero-content-vertical p {\r\n    margin: 0 0 18px 0;\r\n    font-size: 1rem;\r\n    color: #546e7a;\r\n    line-height: 1.5;\r\n  }\r\n  .hero-btn-vertical {\r\n    padding: 10px 26px;\r\n    background: #ffc107;\r\n    border: none;\r\n    border-radius: 6px;\r\n    font-size: 1rem;\r\n    font-weight: 600;\r\n    color: #fff;\r\n    cursor: pointer;\r\n    transition: background 0.2s, color 0.2s;\r\n    box-shadow: 0 2px 8px rgba(255,193,7,0.10);\r\n  }\r\n  .hero-btn-vertical:hover {\r\n    background: #e0a800;\r\n  }\r\n  @media (max-width: 600px) {\r\n    .hero-recommendation-vertical {\r\n      max-width: 98vw;\r\n    }\r\n    .hero-image-vertical img {\r\n      height: 160px;\r\n    }\r\n    .hero-content-vertical {\r\n      padding: 18px 8px 16px 8px;\r\n    }\r\n  }\r\n<\/style>\r\n<div class=\"hero-recommendation-vertical\">\r\n  <a href=\"https:\/\/www.aox-actuator.com\/pt\/product\/aox-m-z-series-multi-turn-electric-actuato\/\" class=\"hero-link-vertical\" target=\"_blank\" rel=\"noopener\">\r\n    <div class=\"hero-image-vertical\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-M-Multi-Turn-Electric-Actuator-800x800.jpg\" alt=\"Atuador el\u00e9trico multivoltas s\u00e9rie AOX-MZ\">\r\n    <\/div>\r\n    <div class=\"hero-content-vertical\">\r\n      <p>Atuador el\u00e9trico multivoltas AOX-MZ<\/p>\r\n      <p>\r\n      O atuador el\u00e9trico multivoltas AOX-MZ fornece controle robusto e confi\u00e1vel para v\u00e1lvulas grandes que exigem m\u00faltiplas rota\u00e7\u00f5es, garantindo uma opera\u00e7\u00e3o precisa e eficiente.\r\n      <\/p>\r\n      <button class=\"hero-btn-vertical\">Explorar produtos e solu\u00e7\u00f5es<\/button>\r\n    <\/div>\r\n  <\/a>\r\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fail Open vs Fail Close \u2014 Qual \u00e9 o mais adequado?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A decis\u00e3o se resume \u00e0 sua aplica\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pergunta: Qual \u00e9 o risco se a v\u00e1lvula permanecer aberta quando n\u00e3o deveria? Qual \u00e9 o dano se ela fechar e interromper o fluxo?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilize uma v\u00e1lvula de seguran\u00e7a contra falha aberta quando:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O bloqueio do fluxo durante uma queda de energia causaria superaquecimento ou ac\u00famulo<\/li>\n\n\n\n<li>A seguran\u00e7a depende do fluxo cont\u00ednuo da m\u00eddia (por exemplo, sistemas de prote\u00e7\u00e3o contra inc\u00eandio)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Utilize uma v\u00e1lvula de seguran\u00e7a quando:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Voc\u00ea precisa conter a m\u00eddia imediatamente durante a perda de sinal<\/li>\n\n\n\n<li>O fluxo descontrolado pode danificar equipamentos a jusante ou zonas de seguran\u00e7a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cada um tem seu pr\u00f3prio caso de uso. N\u00e3o se trata de qual \u00e9 melhor, mas sim do que voc\u00ea precisa proteger.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para uma compreens\u00e3o mais profunda de como os atuadores ajudam a gerenciar o fluxo nessas situa\u00e7\u00f5es, confira <a href=\"https:\/\/www.aox-actuator.com\/pt\/blog\/electric-valve-actuator-control-basics\/\" target=\"_blank\" rel=\"noreferrer noopener\">No\u00e7\u00f5es b\u00e1sicas de controle de v\u00e1lvulas usando atuadores el\u00e9tricos de v\u00e1lvulas<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A Rela\u00e7\u00e3o V\u00e1lvula Aberta Fechada<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Alguns sistemas usam v\u00e1lvulas de falha aberta e falha fechada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso \u00e9 especialmente verdadeiro em grandes instala\u00e7\u00f5es industriais, onde o fluxo precisa ser direcionado ou bloqueado com base em diferentes resultados de emerg\u00eancia. N\u00e3o \u00e9 incomum ver v\u00e1lvulas abrindo em linhas de entrada enquanto as linhas de sa\u00edda fecham.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esse n\u00edvel de controle depende do tipo de atuador e da l\u00f3gica de configura\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Usando atuadores de v\u00e1lvulas el\u00e9tricas, voc\u00ea pode programar sequ\u00eancias alinhadas com suas metas de seguran\u00e7a contra falhas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se o seu atuador parece lento ou sem resposta, aqui est\u00e1 um bom lugar para come\u00e7ar: <a href=\"https:\/\/www.aox-actuator.com\/pt\/blog\/actuator-valve-not-working-signs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Quais s\u00e3o os sinais de que minha v\u00e1lvula atuadora n\u00e3o est\u00e1 funcionando?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e3o deixe que a perda de energia decida o resultado<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cortes de energia acontecem. Sejam causados pela natureza, por falhas no sistema ou por manuten\u00e7\u00e3o de rotina, eles afetar\u00e3o o atuador da sua v\u00e1lvula em algum momento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A quest\u00e3o \u00e9: o que acontece depois?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A compara\u00e7\u00e3o entre abertura e fechamento n\u00e3o \u00e9 uma quest\u00e3o trivial. Pode evitar tempo de inatividade, riscos \u00e0 seguran\u00e7a ou problemas legais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Escolha aquele que oferece suporte aos objetivos do seu sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voc\u00ea pode explorar os tipos de atuadores que oferecem funcionalidade de falha de abertura e falha de fechamento em nosso <a href=\"https:\/\/www.aox-actuator.com\/pt\/product-category\/electric-actuator\/\" target=\"_blank\" rel=\"noreferrer noopener\">cat\u00e1logo de atuadores el\u00e9tricos<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Precisa de orienta\u00e7\u00e3o? Nossa equipe pode ajudar a analisar sua solicita\u00e7\u00e3o e escolher o caminho mais seguro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recurso<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.geminivalve.com\/fail-safe-open-close-valves\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Falha na abertura vs. falha no fechamento \u2014 qual \u00e9 a melhor?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>When power is lost, your valve\u2019s default setting becomes critical. That\u2019s where fail open and fail close actuators come in. These are designed to either stop<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2766,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-3359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?<\/title>\n<meta name=\"description\" content=\"Learn the difference between a fail open valve and a fail closed actuator. Understand which fail-safe mode protects your system during a power loss.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.aox-actuator.com\/pt\/blog\/fail-open-vs-fail-close-valve-actuator\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?\" \/>\n<meta property=\"og:description\" content=\"Learn the difference between a fail open valve and a fail closed actuator. Understand which fail-safe mode protects your system during a power loss.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.aox-actuator.com\/pt\/blog\/fail-open-vs-fail-close-valve-actuator\/\" \/>\n<meta property=\"og:site_name\" content=\"High-Performance Actuator Manufacturer | Customized Valve Automation\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AoxiangAutoControl\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-14T08:16:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-15T07:20:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"aoxiangadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"aoxiangadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/\"},\"author\":{\"name\":\"aoxiangadmin\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#\\\/schema\\\/person\\\/ade79677436334c988019b081ff74b13\"},\"headline\":\"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?\",\"datePublished\":\"2025-04-14T08:16:02+00:00\",\"dateModified\":\"2025-06-15T07:20:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/\"},\"wordCount\":800,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/AOX-P5.jpg\",\"articleSection\":[\"blog\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/\",\"url\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/\",\"name\":\"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/AOX-P5.jpg\",\"datePublished\":\"2025-04-14T08:16:02+00:00\",\"dateModified\":\"2025-06-15T07:20:33+00:00\",\"description\":\"Learn the difference between a fail open valve and a fail closed actuator. Understand which fail-safe mode protects your system during a power loss.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/AOX-P5.jpg\",\"contentUrl\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/AOX-P5.jpg\",\"width\":1000,\"height\":1000,\"caption\":\"AOX-P Series pneumatic Valve Actuator with limit switch box\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/blog\\\/fail-open-vs-fail-close-valve-actuator\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.aox-actuator.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#website\",\"url\":\"https:\\\/\\\/www.aox-actuator.com\\\/\",\"name\":\"AOX Auto-Control Technology Co., Ltd\",\"description\":\"We offer high-quality actuators and valve automation solutions tailored for various industries. We are dedicated to providing the best service for you.\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.aox-actuator.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#organization\",\"name\":\"Professional electric valve actuator manufacturer\",\"url\":\"https:\\\/\\\/www.aox-actuator.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/icon.jpg\",\"contentUrl\":\"https:\\\/\\\/www.aox-actuator.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/icon.jpg\",\"width\":80,\"height\":80,\"caption\":\"Professional electric valve actuator manufacturer\"},\"image\":{\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/AoxiangAutoControl\",\"https:\\\/\\\/www.youtube.com\\\/@zhejiangaoxiangauto-contro2634\",\"https:\\\/\\\/www.linkedin.cn\\\/incareer\\\/company\\\/zhejiang-aoxiang-auto-control-technology-co--ltd?trk=public_profile_topcard-current-company\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.aox-actuator.com\\\/#\\\/schema\\\/person\\\/ade79677436334c988019b081ff74b13\",\"name\":\"aoxiangadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"caption\":\"aoxiangadmin\"},\"sameAs\":[\"http:\\\/\\\/aox-actuator.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Atuadores de v\u00e1lvula com falha de abertura e falha de fechamento: qual \u00e9 a diferen\u00e7a?","description":"Aprenda a diferen\u00e7a entre uma v\u00e1lvula de seguran\u00e7a aberta e um atuador de seguran\u00e7a fechado. Entenda qual modo de seguran\u00e7a protege seu sistema durante uma queda de energia.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.aox-actuator.com\/pt\/blog\/fail-open-vs-fail-close-valve-actuator\/","og_locale":"pt_PT","og_type":"article","og_title":"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?","og_description":"Learn the difference between a fail open valve and a fail closed actuator. Understand which fail-safe mode protects your system during a power loss.","og_url":"https:\/\/www.aox-actuator.com\/pt\/blog\/fail-open-vs-fail-close-valve-actuator\/","og_site_name":"High-Performance Actuator Manufacturer | Customized Valve Automation","article_publisher":"https:\/\/www.facebook.com\/AoxiangAutoControl","article_published_time":"2025-04-14T08:16:02+00:00","article_modified_time":"2025-06-15T07:20:33+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg","type":"image\/jpeg"}],"author":"aoxiangadmin","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"aoxiangadmin","Tempo estimado de leitura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#article","isPartOf":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/"},"author":{"name":"aoxiangadmin","@id":"https:\/\/www.aox-actuator.com\/#\/schema\/person\/ade79677436334c988019b081ff74b13"},"headline":"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?","datePublished":"2025-04-14T08:16:02+00:00","dateModified":"2025-06-15T07:20:33+00:00","mainEntityOfPage":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/"},"wordCount":800,"commentCount":0,"publisher":{"@id":"https:\/\/www.aox-actuator.com\/#organization"},"image":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#primaryimage"},"thumbnailUrl":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg","articleSection":["blog"],"inLanguage":"pt-PT","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/","url":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/","name":"Atuadores de v\u00e1lvula com falha de abertura e falha de fechamento: qual \u00e9 a diferen\u00e7a?","isPartOf":{"@id":"https:\/\/www.aox-actuator.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#primaryimage"},"image":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#primaryimage"},"thumbnailUrl":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg","datePublished":"2025-04-14T08:16:02+00:00","dateModified":"2025-06-15T07:20:33+00:00","description":"Aprenda a diferen\u00e7a entre uma v\u00e1lvula de seguran\u00e7a aberta e um atuador de seguran\u00e7a fechado. Entenda qual modo de seguran\u00e7a protege seu sistema durante uma queda de energia.","breadcrumb":{"@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/"]}]},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#primaryimage","url":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg","contentUrl":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/AOX-P5.jpg","width":1000,"height":1000,"caption":"AOX-P Series pneumatic Valve Actuator with limit switch box"},{"@type":"BreadcrumbList","@id":"https:\/\/www.aox-actuator.com\/blog\/fail-open-vs-fail-close-valve-actuator\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.aox-actuator.com\/"},{"@type":"ListItem","position":2,"name":"Fail Open vs Fail Close Valve Actuators: What\u2019s the Difference?"}]},{"@type":"WebSite","@id":"https:\/\/www.aox-actuator.com\/#website","url":"https:\/\/www.aox-actuator.com\/","name":"AOX Auto-Control Technology Co., Ltd","description":"Oferecemos atuadores de alta qualidade e solu\u00e7\u00f5es de automa\u00e7\u00e3o de v\u00e1lvulas sob medida para v\u00e1rias ind\u00fastrias. Estamos dedicados a fornecer o melhor servi\u00e7o para voc\u00ea.","publisher":{"@id":"https:\/\/www.aox-actuator.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.aox-actuator.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-PT"},{"@type":"Organization","@id":"https:\/\/www.aox-actuator.com\/#organization","name":"Fabricante profissional de atuadores de v\u00e1lvulas el\u00e9tricas","url":"https:\/\/www.aox-actuator.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/www.aox-actuator.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/icon.jpg","contentUrl":"https:\/\/www.aox-actuator.com\/wp-content\/uploads\/2024\/09\/icon.jpg","width":80,"height":80,"caption":"Professional electric valve actuator manufacturer"},"image":{"@id":"https:\/\/www.aox-actuator.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/AoxiangAutoControl","https:\/\/www.youtube.com\/@zhejiangaoxiangauto-contro2634","https:\/\/www.linkedin.cn\/incareer\/company\/zhejiang-aoxiang-auto-control-technology-co--ltd?trk=public_profile_topcard-current-company"]},{"@type":"Person","@id":"https:\/\/www.aox-actuator.com\/#\/schema\/person\/ade79677436334c988019b081ff74b13","name":"aoxiangadmin","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","caption":"aoxiangadmin"},"sameAs":["http:\/\/aox-actuator.com"]}]}},"_links":{"self":[{"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/posts\/3359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/comments?post=3359"}],"version-history":[{"count":0,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/posts\/3359\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/media\/2766"}],"wp:attachment":[{"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/media?parent=3359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/categories?post=3359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aox-actuator.com\/pt\/wp-json\/wp\/v2\/tags?post=3359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}